acbuild-0.0.0+git20160706.4bf3873-bp150.2.6

- Switched to master for vendoring deps
- Dropped src package definition
- Added go_nostrip macro
- Use the golang-packaging macros on most places

- Update to version 0.0.0+git20160706.4bf3873:
  + readme: requires Go to build from source
  + gen-man-pages: command added to output man pages for acbuild
  + gen-man-pages: godeps vendoring, bumped cobra and pflags, added cobra/docs
  + godeps: appc/spec v0.7.4 -> v0.8.1, coreos/rkt v1.2.0 -> v1.7.0
  + release: v0.3.1
  + docs: articulate the necessity of `--` in run and set-exec
  + lib/begin: added support for beginning from remote docker images
  + godeps: added docker2aci and dependencies
  + engine: attach stdin to the process
  + replaced godeps with glide
  + engine/systemdnspawn: create /etc/machine-id for >= 230
  + begin: when on arm, look at self's endianness to pick a label
  + Add documentation on set-working-directory subcommand.

- Initial packaging